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Finding the Fourth Proportional to 488,545.74, 674,193.30 and 297,559.29

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Solution

The fourth proportional to 488,545.74, 674,193.30 and 297,559.29 is: 410,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,545.74 : 674,193.30 = 297,559.29 : x
  2. Step 2: Convert to fraction form
    488,545.74/674,193.30 = 297,559.29/x
  3. Step 3: Cross multiply
    488,545.74x = 674,193.30 × 297,559.29
  4. Step 4: Simplify right side
    488,545.74x = 200,612,479,670.76
  5. Step 5: Solve for x
    x = 200,612,479,670.76/488,545.74
  6. Step 6: Final answer
    x = 410,631.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.